One way the stability of Debian Stable breaks down is when some packages are not so stable. That is the case with Chromium, which doesn't offer a package like Firefox ESR. Chromium is way more up to date. I guess there's no other way to do it.
Git - Basic Branching and Merging https://git-scm.com/book/en/v2/Git-Branching-Basic-Branching-and-Merging
Bug No. 964362 - chromium crash frequently, SEGV_MAPERR - Debian Bug report logs: I'm hopeful that this fix will solve my own Chromium-is-crashing issue in Debian Stable. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=964362#31